Renewing input shaft oil seal: Audi A3

🧭 Before you start

Fits: Audi A3 (8V, 2012–2020); platform code FV

• Special tools named: puller

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• Loosen bolts (arrows) securing centre propshaft bearing, but do not remove them.
• Check whether there is a factory marking (paint dot) on the flexible coupling and on the flange for the propshaft on the rear final drive (arrows).
• If there is no marking, mark position of flexible coupling relative to flange for propshaft on rear final drive.
• When loosening propshaft bolts, counterhold at rear final drive using counterhold tool T10172 and adapters T10172/5.
• Before installing, lightly oil outer circumference of new oil seal and space between sealing lips with high performance oil for Haldex coupling.

📋 Procedure

1. Secure vehicle to support arms of lifting platform on both sides using tensioning straps T10038.
2. ⚠ Risk of damage to flexible joint.The flexible joint must not be bent further than 10°.Do not subject flexible joint to tensile load.Take care not to damage wire mesh on flexible joint. — Loosen nuts for clamp (arrows) and move clamp towards rear.
3. Tie up front exhaust pipe on underbody.
4. Remove rear section of exhaust system 26Exhaust pipes/silencers; Exploded view - silencers.
5. Loosen bolts (arrows) securing centre propshaft bearing, but do not remove them.

6. Check whether there is a factory marking (paint dot) on the flexible coupling and on the flange for the propshaft on the rear final drive (arrows).
7. If there is no marking, mark position of flexible coupling relative to flange for propshaft on rear final drive.
8. When loosening propshaft bolts, counterhold at rear final drive using counterhold tool T10172 and adapters T10172/5.
9. Detach bolts (arrows) securing propshaft to rear final drive.
10. Pull propshaft off centring pin on rear final drive, pressing propshaft slightly towards front. To do so, unscrew bolts on centre bearing of propshaft if necessary.
11. ⚠ The seal (arrow) in the propshaft flange can be damaged.Pull off propshaft horizontally from centring pin. — Remove rear tunnel cross-piece (2)General body repairs, exterior66Underbody trim; Exploded view - underbody trim.
12. Then tie up rear section of propshaft (A) to one side on body e.g. using wire (B).
13. Remove hexagon nut for propshaft flange.
14. Pull off flange for propshaft. If this is difficult, use three-arm puller (e.g. Kukko 12-1 or Kukko 45-2).
15. Pull seal out with oil seal extractor lever VW 681.
16. Before installing, lightly oil outer circumference of new oil seal and space between sealing lips with high performance oil for Haldex coupling.
17. Drive in new oil seal as far as stop using thrust piece T10019. Make sure seal remains straight.
18. Drive on propshaft flange (A) using tubeVW 416 B.
19. Apply locking fluidD 000 600 to new nut and tighten nut.
20. Attach propshaft to rear final drive .
21. Align centre bearing within elongated holes so that neither propshaft nor centre bearing are under stress.
22. Install exhaust system and perform stress-free alignment 26Exhaust pipes/silencers; Exploded view - silencers.
23. Check oil level in Haldex coupling .

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